KPMI Valve Spring Kit 20-20435 for Shovelhead
$242.00
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KPMI Valve Spring Kit 20-20435 for Shovelhead
$242.00
This KPMI OEM replacement spring kit is engineered to provide stock pressures and work seamlessly with stock cam profiles. Manufactured to original equipment specifications using premium modern materials, the kit includes valve springs wound from heat-treated, shot-peened Super Clean chrome silicon wire.
Featuring high-temperature steel retainers, keepers, and bases modeled using FEA analysis for maximum mechanical strength, these components deliver exceptional durability and are interchangeable with OEM components.
Key Features
| Brand | KPMI |
| Manufacturer | Kibblewhite |
| Manufacturer Part Number | 20-20435 |
| Product Type | Valve Spring Kit |
| Type | Intake / Exhaust |
| Retainer Material | High-Temperature Steel |
| Valve Lift | 10.5 mm |
| Installed Height | 34.9 mm |
| Seat Pressure | 58.5 kg |
| Open Pressure | 123.4 kg |
| Spring Material | Chrome Silicon Steel |
| Product Weight | 0.67 kg |
Highlights
- Designed for stock pressures and OEM camshaft profiles
- Springs wound from heat-treated, shot-peened Super Clean chrome silicon wire
- Retainers, keepers, and bases engineered using FEA analysis for high mechanical strength
- Basewasher counterbored to accommodate a 16.9 mm outside diameter seal
Materials & care
Constructed with high-temperature steel retainers and premium chrome silicon spring wire. Maintain according to standard engine service procedures.
Compatibility
Compatible with 1966-1977 Harley-Davidson Shovelhead 74" models with stock cam profiles.
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Frequently asked questions
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